14059
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 14904
- Proper Divisor Sum (Aliquot Sum)
- 845
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 13216
- Möbius Function
- 1
- Radical
- 14059
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 45
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Expansion of 1/((1-x)*(1-6*x)*(1-8*x)).at n=4A016243
- a(n) = C(n+2,3) + 2*C(n,2) + 2*(n-2).at n=40A034857
- Numbers having four 3's in base 8.at n=20A043436
- Numbers k such that the smoothly undulating palindromic number (4*10^k-7)/33 = 121...21 is a prime (or PRP).at n=9A062209
- Integers i > 1 for which there is no prime p such that i is a solution mod p of x^4 = 2.at n=26A065903
- a(n) = smallest semiprime s such that s + n is the next semiprime and there is no prime between s and s + n.at n=9A133478
- (A178476(n)-3)/9.at n=22A178486
- Decimal value of the bitmap of active segments in 7-segment display of the number n, variant 1: bits 0-6 refer to segments from top to bottom, left to right.at n=35A234691
- 27-gonal numbers: a(n) = n*(25*n-23)/2.at n=34A255186
- The number of trees with 5 nodes labeled by positive integers, where each tree's label sum is n.at n=21A301740
- a(n) is the least m such that A341284(m) = 2*n*prime(m+1) - prime(m).at n=47A342027
- G.f. (1-x) * Sum_{n>=0} x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+1).at n=56A354247
- Number of connected cubic simple graphs on 2n unlabeled nodes with chromatic index 4.at n=8A357446
- a(n) = Sum_{k=1..n} binomial(floor(n/k)+2,3).at n=39A364970